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engine issues
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Author:  davestar62 [ Sat Jul 03, 2010 1:45 pm ]
Post subject:  engine issues

so im getting closer to finally getting my car on the road since 2002 after 6 months of slow work!

I went to turn the engine over yesterday, and it is running weirdly. The engine will accelerate all by itself up to about 2000 rpm, then drop back to about 500. The engine also holds revs for a little bit after acceleration (if that makes sense)

the engine is a 998 with twin 1/4 su's

is this an electrical issue, or a carby issue??

thanks for your help!!

Author:  doogie [ Sat Jul 03, 2010 2:44 pm ]
Post subject: 

Could be a air leak, check that the manifold is fitted to the head properly, or get a spray bottle and spray a fine mist of water around the manifold, the revs should drop down when sprayed.

Doogie

Author:  davestar62 [ Sun Jul 04, 2010 5:18 pm ]
Post subject: 

cheers doogi, i tried that, and still no change :( i think i will just take my carbs off and put a service kit on them!

Author:  bill.b [ Mon Jul 05, 2010 12:23 pm ]
Post subject: 

had the same problem, it was due to a leak where the manifold mounts to the head. a new gasket fixed the problem for me.

Bill

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